6649452 has 36 divisors (see below), whose sum is σ = 17433416. Its totient is φ = 2216160.

The previous prime is 6649441. The next prime is 6649453. The reversal of 6649452 is 2549466.

6649452 is a `hidden beast` number, since 6 + 649 + 4 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6649453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2449 + ... + 4392.

Almost surely, 2^6649452 is an apocalyptic number.

It is an amenable number.

6649452 is an abundant number, since it is smaller than the sum of its proper divisors (10783964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6649452 is a wasteful number, since it uses less digits than its factorization.

6649452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6860 (or 6846 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6649452 is about 2578.6531368139. The cubic root of 6649452 is about 188.0450699247.

The spelling of 6649452 in words is "six million, six hundred forty-nine thousand, four hundred fifty-two".